Association Between Breastfeeding &Reduced Risk of Aggressive BC

http://medicalxpress.com/news/2015-10-association-breastfeeding-aggressive-breast-cancer.html

http://annonc.oxfordjournals.org/content/early/2015/10/14/annonc.mdv379.full

"A large international study shows that breastfeeding is associated with a lower risk of developing an aggressive form of breast cancer called hormone-receptor negative. This new combined evidence shows the risk was reduced by up to 20% in women who breastfed. Published in Annals of Oncology, this breastfeeding meta-analysis is a collaboration between Breastcancer.org; Icahn School of Medicine at Mount Sinai; Washington University, St. Louis; and the American Cancer Society...."